Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA071368A
Inventor
W. Geus John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stamicarbon BVfiledCriticalStamicarbon BV
Priority to CA071368ApriorityCriticalpatent/CA921457A/en
Application grantedgrantedCritical
Publication of CA921457ApublicationCriticalpatent/CA921457A/en